Erdtmann Rainer M: insider buys
Every open-market stock purchase reported by Erdtmann Rainer M to the SEC on Form 4.
Total bought$97.40K
Purchases2
Companies1
Last purchase filedDec 15, 2025
Return on these buys-53%
Erdtmann Rainer M has made 2 open-market purchases worth $97.40K in 1 company since Dec 2, 2025, according to SEC Form 4 filings. The most recent was filed on Dec 15, 2025: 30,000 shares of BMEA at $1.43 (See Remarks, Director), worth $42.90K. The largest was $54.50K of BMEA on Nov 28, 2025. Taken together, these purchases are down 53% at the latest closing prices (split-adjusted, weighted by amount).
Companies Erdtmann Rainer M bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| BMEA | Biomea Fusion, Inc. | See Remarks, Director | 2 | $97.40K | -53% | Dec 15 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Dec 15 | BMEABiomea Fusion, Inc. | Erdtmann Rainer MSee Remarks, Director | $42.90K | 30,000 | $1.43 | -60% | +4% | Dec 11 | SEC |
| Dec 2 | BMEABiomea Fusion, Inc. | Erdtmann Rainer MSee Remarks, Director | $54.50K | 50,000 | $1.09 | -47% | +8% | Nov 28 | SEC |